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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Distorted is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.wind;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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import org.distorted.library.effect.MatrixEffectScale;
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import org.distorted.library.effect.MatrixEffectShear;
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import org.distorted.library.effect.VertexEffectDeform;
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import org.distorted.library.effect.VertexEffectWave;
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import org.distorted.library.main.DistortedEffects;
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import org.distorted.library.main.DistortedTexture;
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import org.distorted.library.type.Dynamic;
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import org.distorted.library.type.Dynamic5D;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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import org.distorted.library.type.Static5D;
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class WindEffectsManager
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{
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private int mHeight, mWidth;
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private Static3D shearFactor;
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private Static3D scaleFactor;
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private Static3D deformForce;
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private Static5D windFactor11, windFactor12;
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private Dynamic5D windDynamic1;
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private Static5D windFactor21, windFactor22;
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private Dynamic5D windDynamic2;
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private Static5D windFactor31, windFactor32;
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private Dynamic5D windDynamic3;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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WindEffectsManager(DistortedTexture texture)
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{
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mHeight = texture.getHeight();
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mWidth = texture.getWidth();
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shearFactor = new Static3D(0,0,0);
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scaleFactor = new Static3D(1,1,1);
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deformForce = new Static3D(mWidth/3,0,0);
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windFactor11 = new Static5D(mHeight/10,mHeight/5, 180, 0, 90);
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windFactor12 = new Static5D(mHeight/10,mHeight/5,-180, 0, 90);
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windDynamic1 = new Dynamic5D(1000,0.0f);
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windDynamic1.add(windFactor11);
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windDynamic1.add(windFactor12);
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windDynamic1.setMode(Dynamic.MODE_JUMP);
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windDynamic1.setAccessMode(Dynamic.ACCESS_SEQUENTIAL);
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windFactor21 = new Static5D(mHeight/10,mHeight/5,-180, 90, 10);
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windFactor22 = new Static5D(mHeight/10,mHeight/5,+180, 90, 10);
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windDynamic2 = new Dynamic5D(1000,0.0f);
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windDynamic2.add(windFactor21);
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windDynamic2.add(windFactor22);
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windDynamic2.setMode(Dynamic.MODE_JUMP);
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windDynamic2.setAccessMode(Dynamic.ACCESS_SEQUENTIAL);
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windFactor31 = new Static5D(mHeight/10,mHeight/10,-180, 90, 90);
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windFactor32 = new Static5D(mHeight/10,mHeight/10,+180, 90, 90);
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windDynamic3 = new Dynamic5D(1000,0.0f);
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windDynamic3.add(windFactor31);
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windDynamic3.add(windFactor32);
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windDynamic3.setMode(Dynamic.MODE_JUMP);
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windDynamic3.setAccessMode(Dynamic.ACCESS_SEQUENTIAL);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void apply(DistortedEffects effects, int wind)
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{
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Static3D midLeft = new Static3D(0,mHeight/2,0);
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Static3D midRight = new Static3D(mWidth,mHeight/2,0);
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Static4D windRegion = new Static4D(0,0,0,mHeight);
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setWind(wind);
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effects.apply( new MatrixEffectShear(shearFactor,midLeft) );
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effects.apply( new MatrixEffectScale(scaleFactor) );
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effects.apply( new VertexEffectDeform(deformForce,midRight) );
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effects.apply( new VertexEffectWave(windDynamic1, midRight, windRegion) );
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effects.apply( new VertexEffectWave(windDynamic2, midRight, windRegion) );
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effects.apply( new VertexEffectWave(windDynamic3, midRight, windRegion) );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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synchronized void setWind(int wind)
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{
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float tanAngle = (wind-50)/50.0f;
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shearFactor.set2(tanAngle);
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scaleFactor.set1(1/(float)Math.sqrt(1+tanAngle*tanAngle));
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windDynamic1.setDuration( wind > 0 ? 100000/wind : Long.MAX_VALUE);
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windDynamic2.setDuration( wind > 0 ? 80000/wind : Long.MAX_VALUE);
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windDynamic3.setDuration( wind > 0 ? 100000/wind : Long.MAX_VALUE);
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float waveA = (mHeight/(20.0f-0.15f*wind));
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windFactor21.set1(waveA);
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windFactor22.set1(waveA);
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float waveB = (mHeight/(wind+5.0f));
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windFactor31.set1(waveB);
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windFactor32.set1(waveB);
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}
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}
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